How to tell if a lock actuator is bad?

Determining whether a washing machine door lock switch or actuator is bad involves checking physical operation and testing electrical continuity with a multimeter. Key signs of a bad lock actuator include the washing machine door failing to click shut, the door remaining permanently locked even after a finished cycle ends without releasing, or the digital control console flashing door error codes. First, unplug the machine and access the lock assembly. Second, set your multimeter to ohms and test the internal switch contacts for continuity while manually tripping the latch lever. You can troubleshoot electrical parts safely. You can verify that your lock actuator is bad when confirmed operating voltage reaches the component but internal switch contacts fail to close, requiring prompt replacement of the door lock assembly.